Home / 12,808,818.50-17,676,588.65-7,007,465.66

Finding the Fourth Proportional to 12,808,818.50, 17,676,588.65 and 7,007,465.66

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Solution

The fourth proportional to 12,808,818.50, 17,676,588.65 and 7,007,465.66 is: 9,670,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808,818.50 : 17,676,588.65 = 7,007,465.66 : x
  2. Step 2: Convert to fraction form
    12,808,818.50/17,676,588.65 = 7,007,465.66/x
  3. Step 3: Cross multiply
    12,808,818.50x = 17,676,588.65 × 7,007,465.66
  4. Step 4: Simplify right side
    12,808,818.50x = 123,868,087,827,400.48
  5. Step 5: Solve for x
    x = 123,868,087,827,400.48/12,808,818.50
  6. Step 6: Final answer
    x = 9,670,531.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.